code: def test_is_tarred_dataset(self):
      # 1) is tarred dataset
      assert is_tarred_dataset(
          "_file_1.wav", "tarred_audio_manifest.json"
      )
      assert is_tarred_dataset(
          "_file_1.wav", "./sharded_manifests/manifest_1.json"
      )
  
      # 2) is not tarred dataset
      assert not is_tarred_dataset(
          "./file_1.wav", "audio_manifest.json"
      )
      assert not is_tarred_dataset(
          "./file_1.wav", "./sharded_manifests/manifest_test.json"
      )
      assert not is_tarred_dataset("file_1.wav", "audio_manifest.json")
      assert not is_tarred_dataset(
          "file_1.wav", "./sharded_manifests/manifest_test.json"
      )
      assert not is_tarred_dataset(
          "/data/file_1.wav", "audio_manifest.json"
      )
      assert not is_tarred_dataset(
          "/data/file_1.wav", "./sharded_manifests/manifest_test.json"
      )
      assert not is_tarred_dataset("_file_1.wav", "audio_manifest.json")
      assert not is_tarred_dataset(
          "_file_1.wav", "./sharded_manifests/manifest_test.json"
      )
  
      # 3) no manifest file, treated as non-tarred dataset
      assert not is_tarred_dataset("_file_1.wav", None)
  
file_path: NeMo/tests/collections/common/test_utils.py
imports: import os
  import string
  from contextlib import contextmanager
  from pathlib import Path
  from unittest import mock
  import numpy
  import pytest
  from nemo.collections.common.parts.preprocessing.manifest import get_full_path, is_tarred_dataset
  from nemo.collections.common.parts.utils import flatten
label_desc: Use image node_id 6 for calling the TestPreprocessingUtils obj's underlying member method code with example usage: obj.test_is_tarred_dataset() without return types